Finding the Fourth Proportional to 212,118.46, 318,110.46 and 71,844.28
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Solution
The fourth proportional to 212,118.46, 318,110.46 and 71,844.28 is: 107,743.65
Step by Step Solution
- Step 1: Write the proportion equation
212,118.46 : 318,110.46 = 71,844.28 : x - Step 2: Convert to fraction form
212,118.46/318,110.46 = 71,844.28/x - Step 3: Cross multiply
212,118.46x = 318,110.46 × 71,844.28 - Step 4: Simplify right side
212,118.46x = 22,854,416,959.17 - Step 5: Solve for x
x = 22,854,416,959.17/212,118.46 - Step 6: Final answer
x = 107,743.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.